CN220505067U - Tunnel foundation pit supporting structure for tunnel construction - Google Patents
Tunnel foundation pit supporting structure for tunnel construction Download PDFInfo
- Publication number
- CN220505067U CN220505067U CN202322251655.3U CN202322251655U CN220505067U CN 220505067 U CN220505067 U CN 220505067U CN 202322251655 U CN202322251655 U CN 202322251655U CN 220505067 U CN220505067 U CN 220505067U
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- tunnel
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- plate
- spring
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 abstract description 17
- 239000011435 rock Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of tunnel foundation pits, and discloses a tunnel foundation pit supporting structure for tunnel construction, which comprises the following components: a bottom plate; a protective shell is arranged at the top end of the bottom plate; the pushing mechanism is arranged at the top end of the protective shell and comprises a fixed box, a pushing rod is movably connected inside the fixed box, and a moving plate is fixedly arranged at the top end of the pushing rod. According to the utility model, the gear I and the gear II drive the rotating rod to rotate at the same time, so that the rotating rod drives the sliding rod to rotate, the pushing rod is pushed to move in the fixed box in the process of rotating the sliding rod, then the pushing rod pushes the moving plate to move, then the moving plate drives the supporting plate to ascend, the supporting plate is contacted with the top end of the tunnel to support the tunnel, and finally the supporting plate is driven to ascend and descend, so that the height can be adjusted according to the actual construction process of the tunnel, and the application range of the structure is further increased.
Description
Technical Field
The utility model relates to the technical field of tunnel foundation pits, in particular to a tunnel foundation pit supporting structure for tunnel construction.
Background
The utility model provides a high-efficient tunnel construction method for urban traffic, including the construction of urban traffic, the construction of subway needs to excavate the tunnel in traffic, and after the tunnel is excavated to accomplish, need make the tunnel inside, the security of tunnel construction has been reduced, current mechanism is through using fixing bolt to fix the frame inside the tunnel, then support the tunnel inside through the frame, but when the tunnel is under construction, constructor can improve the height inside the tunnel according to the progress of tunnel construction, but current supporting mechanism is fixed tunnel inner wall, and then can not adjust according to the height of tunnel, thereby can reduce the practicality of device, therefore need improve.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a tunnel foundation pit supporting structure for tunnel construction, which has the advantages of adjusting the height according to the actual construction process of a tunnel, and further increasing the application range of the structure.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tunnel foundation ditch bearing structure of tunnel construction, including:
a bottom plate; a protective shell is arranged at the top end of the bottom plate;
the pushing mechanism is arranged at the top end of the protective shell and comprises a fixed box, a pushing rod is movably connected to the inside of the fixed box, a moving plate is fixedly arranged at the top end of the pushing rod, a motor is fixedly arranged at the top end of the protective shell, a first gear is fixedly arranged at the output end of the motor, a second gear is movably connected to the top end of the protective shell, a rotating rod is fixedly arranged at the rear ends of the first gear and the second gear, a sliding rod is fixedly arranged on the surface of the rotating rod, a first moving groove is formed in the surface of the pushing rod, and a fixing block is fixedly arranged in the first moving groove.
As a preferable technical scheme of the utility model, the utility model further comprises: the first buffer mechanism is arranged at the top end of the movable plate and comprises a telescopic rod, a first spring and a supporting plate;
the telescopic rod is fixedly connected to the top end of the movable plate, the first spring is movably connected to the surface with the telescopic rod, and the supporting plate is fixedly connected to the top ends of the telescopic rod and the first spring.
As a preferred technical scheme of the utility model, the utility model also comprises a second buffer mechanism which is arranged at the top end of the moving plate, wherein the buffer mechanism comprises a second moving groove, a second spring, a first hinge seat, a sliding component, a second hinge seat and a second hinge seat;
the second movable groove is formed in the top end of the movable plate, the second spring is movably connected to the second movable groove, the first hinge seat is fixedly connected to one side opposite to the second spring, the sliding assembly is hinged to the top end of the first hinge seat, the second hinge seat is fixedly connected to the top end of the inner portion of the supporting plate, and the other end of the sliding assembly is hinged to the second hinge seat.
As a preferable technical scheme of the utility model, the surface of the fixed box is provided with moving holes, and the number of the moving holes is four.
As a preferable technical scheme of the utility model, the surface of the protective shell is provided with fixing rods, and every six fixing rods are respectively positioned at the left end and the right end of the bottom plate.
As a preferable technical scheme of the utility model, the number of the second buffer mechanisms is two, and the second buffer mechanisms are symmetrically designed about the center of the bottom plate.
As a preferable technical scheme of the utility model, the number of the fixed boxes and the pushing rods is four, and each two fixed boxes and pushing rods are respectively positioned at the front end and the rear end of the movable plate.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the first gear is driven to rotate by driving the moving plate, the second gear is driven to rotate by the gear, the first gear and the second gear simultaneously drive the rotating rod to rotate, the rotating rod drives the sliding rod to rotate, the pushing rod is pushed to move in the fixed box in the rotating process of the sliding rod, then the pushing rod pushes the moving plate to move, then the moving plate drives the supporting plate to ascend, so that the supporting plate is contacted with the top end of the tunnel to support the tunnel, and finally the supporting plate is driven to ascend and descend, so that the height can be adjusted according to the actual construction process of the tunnel, and the application range of the structure is further increased.
2. According to the utility model, when the tunnel collapses, rocks on the tunnel can be contacted with the top end of the supporting plate, impact force generated by falling of the rocks pushes the supporting plate to move, then the supporting plate pushes the telescopic rod to move, the first spring is compressed in the moving process of the telescopic rod, the supporting plate pushes the sliding component to move while the telescopic rod moves, then the sliding component pushes the first hinge seat to move in the moving groove II, the second spring is compressed in the moving process of the hinge seat, the impact force caused by falling of the rocks is relieved through compression of the first spring and the second spring, so that the structural strength is increased, and operators in the tunnel are more effectively protected.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a right-view device of the structure of the present utility model;
FIG. 3 is a schematic view of a sectional fixing case of the structure of the present utility model;
FIG. 4 is a schematic view of a cross-sectional support plate of the present utility model;
fig. 5 is a schematic diagram of a cross-sectional moving plate of the structure of the present utility model.
In the figure: 1. a bottom plate; 2. a protective shell; 3. a fixed box; 4. a push rod; 5. a moving plate; 6. a first gear; 7. a second gear; 8. a rotating lever; 9. a slide bar; 10. a first moving groove; 11. a fixed block; 12. a telescopic rod; 13. a first spring; 14. a support plate; 15. a second moving groove; 16. a second spring; 17. a hinge seat I; 18. a sliding assembly; 19. a hinge seat II; 20. a fixed rod; 21. a moving hole; 22. and a motor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 5, the present utility model provides a tunnel foundation pit supporting structure for tunnel construction, including:
a base plate 1; a protective shell 2 is arranged at the top end of the bottom plate 1;
the pushing mechanism is arranged at the top end of the protective shell 2 and comprises a fixed box 3, a pushing rod 4 is movably connected inside the fixed box 3, a movable plate 5 is fixedly arranged at the top end of the pushing rod 4, a motor 22 is fixedly arranged at the top end of the protective shell 2, a gear I6 is fixedly arranged at the output end of the motor 22, a gear II 7 is movably connected at the top end of the protective shell 2, a rotating rod 8 is fixedly arranged at the rear ends of the gear I6 and the gear II 7, a sliding rod 9 is fixedly arranged on the surface of the rotating rod 8, a movable groove I10 is formed in the surface of the pushing rod 4, and a fixed block 11 is fixedly arranged inside the movable groove I10;
the bottom plate 1 is fixed by an operator, then the motor 22 can be driven to rotate the first gear 6, the first gear 6 is meshed with the second gear 7, the first gear 6 and the second gear 7 drive the rotating rod 8 to rotate, the rotating rod 8 drives the sliding rod 9 to rotate, the fixed block 11 is positioned in the sliding rod 9, the sliding rod 9 pushes the first moving groove 10 and the fixed box 3 to ascend, the fixed box 3 pushes the moving plate 5 to ascend, the moving plate 5 pushes the buffer mechanism to contact, and the buffer mechanism supports the tunnel.
Wherein, still include: the first buffer mechanism is arranged at the top end of the movable plate 5 and comprises a telescopic rod 12, a first spring 13 and a supporting plate 14;
the telescopic rod 12 is fixedly connected to the top end of the movable plate 5, the first spring 13 is movably connected to the surface with the telescopic rod 12, and the supporting plate 14 is fixedly connected to the top ends of the telescopic rod 12 and the first spring 13;
through buffer mechanism's design, pushing mechanism can promote the inner wall contact in backup pad 14 tunnel, and when the tunnel took place to collapse, the rock on tunnel top can contact with the top of backup pad 14, and the impact force that the rock whereabouts produced can promote backup pad 14 to descend, in the in-process that backup pad 14 descends, can compress spring one 13, through the compression of spring one 13, slows down the impact force that the rock descends produced.
The device further comprises a second buffer mechanism which is arranged at the top end of the moving plate 5, wherein the second buffer mechanism comprises a second moving groove 15, a second spring 16, a first hinging seat 17, a sliding component 18, a second hinging seat 19 and a second hinging seat 19;
the second moving groove 15 is formed in the top end of the moving plate 5, the second spring 16 is movably connected in the second moving groove 15, the first hinge seat 17 is fixedly connected to one side opposite to the second spring 16, the sliding assembly 18 is hinged to the top end of the first hinge seat 17, the second hinge seat 19 is fixedly connected to the top end of the inner portion of the supporting plate 14, and the other end of the sliding assembly 18 is hinged to the second hinge seat 19.
Through the design of the buffer mechanism II, the sliding component 18 is pushed to move while the supporting plate 14 descends, then the sliding component 18 pushes the hinge seat I17 to move in the moving groove II 15, the spring II 16 is compressed in the moving process of the hinge seat I17, and the impact force caused by rock descent can be relieved through the compression of the spring II 16.
Wherein, the surface of fixed box 3 has seted up the removal hole 21, and the quantity of removal hole 21 is four.
By the design of the moving hole 21, the sliding rod 9 can move in the moving hole 21 in the moving process of the sliding rod 9, so that the fixed box 3 is prevented from blocking the sliding rod 9.
Wherein, the surface of protective housing 2 is provided with dead lever 20, and every six dead levers 20 are a set of both ends about being located bottom plate 1 respectively.
Through the design of dead lever 20, can insert inside the ground protective housing 2 to fix the mechanism, prevent at the in-process of removal that the mechanism position from taking place the skew.
The number of the second buffer mechanisms is two, and the second buffer mechanisms are symmetrically designed with respect to the center of the bottom plate 1.
Through the design of buffer mechanism two, two buffer mechanism two can buffer the impact force that rock descends and bring simultaneously to the inside operating personnel of more effective protection tunnel.
The number of the fixed boxes 3 and the pushing rods 4 is four, and each two of the fixed boxes 3 and the pushing rods 4 are respectively positioned at the front end and the rear end of the movable plate 5.
By the design of the fixed box 3 and the pushing rod 4, the moving stability of the moving plate 5 can be increased, and the moving plate 5 is prevented from tilting towards one end during moving.
The working principle and the using flow of the utility model are as follows:
firstly, the fixed rod 20 is inserted into the ground, so that the structure is fixed, then the motor 22 can be driven to enable the gear I6 to rotate, the gear I6 can enable the gear II 7 to rotate, the gear I6 and the gear II 7 can simultaneously enable the rotating rod 8 to rotate, the rotating rod 8 can enable the sliding rod 9 to rotate, in the process of rotating the sliding rod 9, the pushing rod 4 can be pushed to move in the fixed box 3, then the pushing rod 4 can push the moving plate 5 to move, then the moving plate 5 can enable the supporting plate 14 to lift, the supporting plate 14 is enabled to be contacted with the top end of a tunnel so as to support the tunnel, when the tunnel collapses, rocks on the tunnel can be contacted with the top end of the supporting plate 14, impact force generated by rock falling pushes the supporting plate 14 to move, then the supporting plate 14 can push the telescopic rod 12 to move, in the process of moving the telescopic rod 12 can compress the first spring 13, in the process of moving the telescopic rod 12 can push the sliding assembly 18 to move, then the sliding assembly 18 can push the first hinge seat 17 to move in the moving groove II 15, in the process of moving the hinge seat 17 can compress the second spring 16, in the process of moving the hinge seat 17, and the impact force generated by the falling of the springs 13 and the first spring 16 can slow down the process of the structure.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a tunnel foundation ditch bearing structure of tunnel construction which characterized in that: comprises the following steps:
a bottom plate (1); a protective shell (2) is arranged at the top end of the bottom plate (1);
the pushing mechanism is arranged at the top end of the protective shell (2), the pushing mechanism comprises a fixed box (3), a pushing rod (4) is movably connected to the inside of the fixed box (3), a moving plate (5) is fixedly arranged at the top end of the pushing rod (4), a motor (22) is fixedly arranged at the top end of the protective shell (2), a first gear (6) is fixedly arranged at the output end of the motor (22), a second gear (7) is movably connected to the top end of the protective shell (2), a rotating rod (8) is fixedly arranged at the rear end of the first gear (6) and the second gear (7), a sliding rod (9) is fixedly arranged on the surface of the rotating rod (8), a first moving groove (10) is formed in the surface of the pushing rod (4), and a fixing block (11) is fixedly arranged in the moving groove (10).
2. The tunnel foundation pit supporting structure for tunnel construction according to claim 1, wherein: the method also comprises the following steps: the first buffer mechanism is arranged at the top end of the movable plate (5) and comprises a telescopic rod (12), a first spring (13) and a supporting plate (14);
the telescopic rod (12) is fixedly connected to the top end of the movable plate (5), the first spring (13) is movably connected to the surface with the telescopic rod (12), and the supporting plate (14) is fixedly connected to the top ends of the telescopic rod (12) and the first spring (13).
3. The tunnel foundation pit supporting structure for tunnel construction according to claim 1, wherein: the device also comprises a second buffer mechanism which is arranged at the top end of the movable plate (5), wherein the buffer mechanism comprises a second movable groove (15), a second spring (16), a first hinge seat (17), a sliding component (18), a second hinge seat (19) and a second hinge seat (19);
the movable groove II (15) is formed in the top end of the movable plate (5), the spring II (16) is movably connected to the inside of the movable groove II (15), the hinge seat I (17) is fixedly connected to one side opposite to the spring II (16), the sliding assembly (18) is hinged to the top end of the hinge seat I (17), the hinge seat II (19) is fixedly connected to the top end of the inside of the supporting plate (14), and the other end of the sliding assembly (18) is hinged to the hinge seat II (19).
4. The tunnel foundation pit supporting structure for tunnel construction according to claim 1, wherein: the surface of the fixed box (3) is provided with moving holes (21), and the number of the moving holes (21) is four.
5. The tunnel foundation pit supporting structure for tunnel construction according to claim 1, wherein: the surface of protective housing (2) is provided with dead lever (20), every six dead levers (20) are a set of both ends about being located bottom plate (1) respectively.
6. A tunnel foundation pit supporting structure for tunnel construction according to claim 3, wherein: the number of the second buffer mechanisms is two, and the second buffer mechanisms are symmetrically designed with respect to the center of the bottom plate (1).
7. The tunnel foundation pit supporting structure for tunnel construction according to claim 1, wherein: the number of the fixed boxes (3) and the pushing rods (4) is four, and each two of the fixed boxes (3) and the pushing rods (4) are respectively positioned at the front end and the rear end of the movable plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322251655.3U CN220505067U (en) | 2023-08-21 | 2023-08-21 | Tunnel foundation pit supporting structure for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322251655.3U CN220505067U (en) | 2023-08-21 | 2023-08-21 | Tunnel foundation pit supporting structure for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220505067U true CN220505067U (en) | 2024-02-20 |
Family
ID=89867934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322251655.3U Active CN220505067U (en) | 2023-08-21 | 2023-08-21 | Tunnel foundation pit supporting structure for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220505067U (en) |
-
2023
- 2023-08-21 CN CN202322251655.3U patent/CN220505067U/en active Active
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